#include "iostream"
using namespace std;



struct Teacher
{
	char name[64];
	int age;
};

//const引用让变量(所指内存空间)拥有只读属性
void changeTeacherAge(const Teacher *const pt) // const Teacher &t
{
	pt->age  = 11;
}


int main42()
{
	Teacher t1;
	t1.age = 33;
	changeTeacherAge(&t1);
	return 0;
}


